HCG during pregnancy is secreted by...

Options :
  1. Allantois
  2. Uterus
  3. Placenta
  4. Amnion


Answer and Explanation :-

Answer: Option 3

Explanation:

Human chorionic gonadotropin is secreted by placenta during pregnancy. HCG maintains corpus luteum during the beginning of pregnancy. This allows the corpus luteum to secrete the hormone progesterone during the first trimester. Progesterone enriches the uterus with a thick lining of blood vessels and capillaries so that it can sustain the growing fetus.

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